The protagonist of the film Sam Reid (Chris Carmack) is a strange man who can return to the past. As long as he concentrates on it, he can travel through time and space to return to any time and place in the past. With this special function, Sam became a magic weapon for the local police to catch criminals.
Sam’s girlfriend Rebecca died in a carefully planned murder. Rebecca’s sister Elizabeth believes that Lonnie, who has been brought to justice, is not the real murderer of Rebecca. She asks Sam for help, hoping that he can investigate. Know the truth. Sam refused her request and immediately consulted his mentor, Gothenburg, who warned Sam not to change his past, nor to start a journey in time and space alone without supervision. Before this, Sam had killed his parents to protect his sister Jenna (Rachel Miner).
Sam decided to change his original intention to help Elizabeth. He tried to help Lonnie without special powers, but Lonnie refused. In desperation, Sam had to return to June 1998. He first met Elizabeth, who was drunk, and he asked her to lock himself in the car. Then he saw Rebecca, who had been killed in the bedroom, and at the same time, Elizabeth was attacked in the car. When Sam returned to the present, he found that everything was totally unrecognizable, even Lonnie had become a lawyer in a wheelchair. Under the guidance of Gothenburg, Sam decided to return to Anita, the third victim of the serial murder in September 2000. When he returned to the present again, Gothenburg mysteriously disappeared and Lonnie became the third victim. Anita, who was killed in the past, was unharmed. As Sam frequently returns to the past, the situation has become more and more complicated. In the inverted and confusing reality, Sam becomes a suspect, and the real murderer has also lifted the veil of mystery.
It turns out that Jenna can also go back in time, and she is crazy in love with her brother Sam. As long as someone becomes a rival or a witness, she will be a killer. Sam, who finally learned the truth, returned to the scene of the fire where his parents lost their lives. He trapped Jenna in the room and buried her in the flames, and all the crisis was resolved.
When Sam woke up, his wife Rebecca and daughter Jenna (same name as Sam’s sister) were having a picnic with Sam’s parents and Gothenburg. The little girl Jenna put her Barbie doll on the barbecue grill, revealing a touch A weird smile, maybe she, who inherited her father's supernatural powers, was the culprit of the fire.